voltageregulator
nounUK /ˈvəʊltɪdʒ ˌrɛɡjʊleɪtə/
US /ˈvoʊltɪdʒ ˌrɛɡjəleɪtər/
A small device that keeps the electricity in a machine at a safe, steady level.
The voltage regulator stopped the lamp from flickering when the power changed.
RELATED WORDS
OTHER MEANINGS
2. A part in a car that keeps the battery charging at the right level.
The mechanic replaced the voltage regulator so the car battery would charge properly.
3. A component in electronics that holds a steady output voltage for a circuit.
The voltage regulator on the board keeps the chip from getting too much power.
4. A device used in power supplies to protect appliances from sudden voltage changes.
We plugged the fridge into a voltage regulator to guard against surges.